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// Copyright (c) 2011-2022 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <util/strencodings.h>
#include <boost/test/unit_test.hpp>
#include <algorithm>
#include <string>
using namespace std::literals;
BOOST_AUTO_TEST_SUITE(base64_tests)
BOOST_AUTO_TEST_CASE(base64_testvectors)
{
static const std::string vstrIn[] = {"","f","fo","foo","foob","fooba","foobar"};
static const std::string vstrOut[] = {"","Zg==","Zm8=","Zm9v","Zm9vYg==","Zm9vYmE=","Zm9vYmFy"};
for (unsigned int i=0; i<std::size(vstrIn); i++)
{
std::string strEnc = EncodeBase64(vstrIn[i]);
BOOST_CHECK_EQUAL(strEnc, vstrOut[i]);
auto dec = DecodeBase64(strEnc);
BOOST_REQUIRE(dec);
BOOST_CHECK_MESSAGE(std::ranges::equal(*dec, vstrIn[i]), vstrOut[i]);
}
{
const std::vector<uint8_t> in_u{0xff, 0x01, 0xff};
const std::vector<std::byte> in_b{std::byte{0xff}, std::byte{0x01}, std::byte{0xff}};
const std::string in_s{"\xff\x01\xff"};
const std::string out_exp{"/wH/"};
BOOST_CHECK_EQUAL(EncodeBase64(in_u), out_exp);
BOOST_CHECK_EQUAL(EncodeBase64(in_b), out_exp);
BOOST_CHECK_EQUAL(EncodeBase64(in_s), out_exp);
}
// Decoding strings with embedded NUL characters should fail
BOOST_CHECK(!DecodeBase64("invalid\0"s));
BOOST_CHECK(DecodeBase64("nQB/pZw="s));
BOOST_CHECK(!DecodeBase64("nQB/pZw=\0invalid"s));
BOOST_CHECK(!DecodeBase64("nQB/pZw=invalid\0"s));
}
BOOST_AUTO_TEST_SUITE_END()
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